MDB Ventures Preoctal Radio Vacuum Tubes


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Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal/loktal, miniature, subminature, metal, power, transmitter tubes and many more.

MDB Ventures Preoctal Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 35A $7.50 GE 100% 1150 / 1020Gm ST - used (L) cat:32-121
1 35 $9.00 Tung-Sol 130% 1250 / 1020Gm ST - NOS (wb) engraved base
1 35 $8.00 RCA 120% 1050 / 1020Gm ST - NOS (OB) ---
1 35 $8.00 RCA 130% 1050 / 1020Gm ST - NOS (OB) ---
1 35 $8.00 RCA 125% 1100 / 1020Gm ST - NOS (OB) ---
1 35 $8.00 RCA 130% 1020 / 1020Gm ST - NOS (OB) ---
1 35 $8.00 RCA 110% 1020 / 1020Gm ST - NOS (OB) damaged box - cat: 403-98
1 35 $8.00 RCA 125% 1020 / 1020Gm ST - NOS (OB) US Navy
1 35 $8.00 RCA 125% 1020 / 1020Gm ST - NOS (OB) US Navy
1 35 $8.00 RCA 125% 1020 / 1020Gm ST - NOS (OB) US Navy
1 35 $8.00 RCA 120% 1020 / 1020Gm ST - NOS (OB) US Navy
1 35 $8.00 Cunningham 120% 1050 / 1020Gm ST - NOS (OB) damaged box - cat:403-95-1
1 35 $5.00 RCA / Cunningham 90% 950 / 1020Gm ST - used (L) engraved base
1 35 $5.00 RCA / Cunningham 130% 1300 / 1020Gm ST - used (L) engraved base
1 35 $5.00 RCA / Cunningham 130% 1150 / 1020Gm ST - used (L) engraved base
1 35 $5.00 RCA / Cunningham 110% 1250 / 1020Gm ST - used (L) engraved base
1 35 $5.00 RCA / Cunningham 110% 1100 / 1020Gm ST - used (L) engraved base
1 35 $5.50 RCA / Cunningham 100% 1050 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Tung-Sol 130% 1250 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Tung-Sol 115% 1100 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Tung-Sol 130% 1100 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Tung-Sol 125% 1200 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Tung-Sol 110% 1100 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Wards Super Airline 110% 1150 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Philco 100% 1000 / 1020Gm ST - used (L) engraved base
1 35 $5.00 National Union 115% 1100 / 1020Gm ST - used (L) engraved base
1 35 $5.00 Cunningham 120% 950 / 1020Gm ST - used (ob) damaged box - cat:403-95-2
1 35 $5.00 RCA 120% 950 / 1020Gm ST - used (L) ---
1 35 $5.00 RCA 120% 1020 / 1020Gm ST - used (L) ---
1 35 $5.00 RCA Radiotron 120% 1050 / 1020Gm ST - used (L) US Navy
1 35 $5.00 Tung-Sol 110% 950 / 1020Gm ST - used (L) ---
1 35 $5.00 Raytheon 120% 1200 / 1020Gm ST - used (L) ---
1 35 $5.00 Delco 110% 900 / 1020Gm ST - used (L) ---
1 35 $5.00 Cunningham 115% 1100 / 1020Gm ST - used (L) ---
1 35 $5.00 Sylvania 120% 1100 / 1020Gm ST - used (L) ---
1 35 $5.00 Sylvania 100% 1050 / 1020Gm ST - used (L) cat:32-191
1 35 $3.00 RCA 85% 950 / 1020Gm ST - used (L) ---
1 35 / 51 $7.00 Sylvania 120% 1100 / 1020Gm ST - NOS (OB) damaged box
1 35 / 51 $7.00 Sylvania 120% 1200 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Sylvania 110% 1020 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Sylvania 110% 1150 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Sylvania 115% 1020 / 1020Gm ST - NOS (OB) damaged box
1 35 / 51 $7.00 Sylvania 100% 1000 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Philco 110% 1075 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Philco 120% 1150 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Philco 120% 1105 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Philco 120% 1150 / 1020Gm ST - NOS (OB) ---
1 35 / 51 $7.00 Philco 120% 1020 / 1020Gm ST - NOS (OB) engraved base
1 35 / 51 $7.00 Philco 115% 1100 / 1020Gm ST - NOS (OB) damaged box
1 35 / 51 $7.00 GE 120% 1020 / 1020Gm ST - NOS (ob) damaged box
1 35 / 51 $7.00 Raytheon 120% 1100 / 1020Gm ST - NOS (ob) damaged box
1 35 / 51 $7.00 Sylvania 110% 1020 / 1020Gm ST - NOS (wb) ---
1 35 / 51 $7.00 Ken-Rad --- 1020 / 1020Gm ST - NOS (wb) ---
1 35 / 51 $7.00 National Union 110% 1100 / 1020Gm ST - NOS (wb) engraved base
1 35 / 51 $7.00 National Union 120% 1250 / 1020Gm ST - NOS (wb) ---
1 35 / 51 $7.00 National Union 100% 1020 / 1020Gm ST - NOS (wb) ---
1 35 / 51 $7.00 National Union 110% 1020 / 1020Gm ST - NOS (wb) ---
1 35 / 51 $7.00 National Union 140% 1150 / 1020Gm ST - NOS (wb) damaged box
1 35 / 51 $4.00 Philco 120% 1200 / 1020Gm ST - used (rb) ---
1 35 / 51 $4.00 Philco 120% 1000 / 1020Gm ST - used (rb) engraved base
1 35 / 51 $4.00 Philco 110% 1250 / 1020Gm ST - used (rb) cat:401-441
1 35 / 51 $4.00 National Union 120% 1100 / 1020Gm ST - used (wb) ---
1 35 / 51 $4.00 National Union 100% 1050 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 National Union 120% 1050 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 110% 1100 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 110% 1100 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 100% 950 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 125% 900 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 National Union 100% 900 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 100% 1000 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 National Union 110% 1350 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 Sylvania 100% 1020 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 Sylvania 100% 950 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 100% 1020 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 Sylvania 100% 975 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 110% 1250 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 110% 1050 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 120% 1050 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 110% 1050 / 1020Gm ST - used (L) US Navy
1 35 / 51 $4.00 Sylvania 110% 1000 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 120% 1150 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 105% 1050 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 Sylvania 110% 1050 / 1020Gm ST - used (L) engraved base
1 35 / 51 $4.00 Sylvania 120% 1100 / 1020Gm ST - used (L) ---
1 35 / 51 $4.00 Sylvania 110% 1050 / 1020Gm ST - used (L) ---
1 35 / 51 $3.00 GE 95% 900 / 1020Gm ST - used (ob) deteriorating box
1 35 / 51 $3.00 Ken-Rad 95% 900 / 1020Gm ST - used (ob) damaged box

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
ST=ST Style, GT=GT Style, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).


How To Order:

Purchasing our preoctal tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.


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Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com